Base | Representation |
---|---|
bin | 110111100011… |
… | …0101010111111 |
3 | 2000210201102020 |
4 | 1233012222333 |
5 | 24424002221 |
6 | 2520131223 |
7 | 502363305 |
oct | 157065277 |
9 | 60721366 |
10 | 29125311 |
11 | 15493306 |
12 | 9906b13 |
13 | 6059b17 |
14 | 3c22275 |
15 | 2854ac6 |
hex | 1bc6abf |
29125311 has 8 divisors (see below), whose sum is σ = 38943360. Its totient is φ = 19362072.
The previous prime is 29125303. The next prime is 29125331. The reversal of 29125311 is 11352192.
Added to its reverse (11352192) it gives a triangular number (40477503 = T8997).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29125311 - 23 = 29125303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29125331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12445 + ... + 14598.
It is an arithmetic number, because the mean of its divisors is an integer number (4867920).
Almost surely, 229125311 is an apocalyptic number.
29125311 is a deficient number, since it is larger than the sum of its proper divisors (9818049).
29125311 is a wasteful number, since it uses less digits than its factorization.
29125311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27405.
The product of its digits is 540, while the sum is 24.
The square root of 29125311 is about 5396.7870997474. The cubic root of 29125311 is about 307.6735697996.
Adding to 29125311 its reverse (11352192), we get a triangular number (40477503 = T8997).
The spelling of 29125311 in words is "twenty-nine million, one hundred twenty-five thousand, three hundred eleven".
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